Question

a water cooler contains 5 gallons of water.if drink 3/5 gallon for each of the next 6 days how many gallons will be left in water cooler at the end of the sixth?

Answers

Jen
5-(3/5*6)
niki
is it 3 3/5
Jen
3 3/5 was the part in parenthesis. So now do 5-3 3/5.
Ms. Sue
Jen told you to subtract. You didn't do that.

jai
first multiply 3/5 by 6
3/5 * 6 = 18/5
then convert 5 into fraction such that its denominator is 5:
5 = 25/5
therefore:
(25-18)/5 = 7/5 or 1 2/5 gallons

so there,, :)
Jen
Jai, please allow the students a chance to attempt the problems on their own with our guidance.
niki
i have a question for jen
Jen
Yes?
jai
oh sorry.
alright, Jen.
niki
well i got stuck because i did 3/5*6/1 and i got 18/5 then i did 18 divied by 5 and got 3 3/5 so is 3 3/5 the answer
Jen
3 3/5 gallons is how much water you drank after 6 days. 6 days * 3/5 gallons each day is 3 3/5. BUT..the question is how much water is left. If you started with 5 gallons, now you must do 5-3 3/5 for your answer.
niki
ok so the answer would then be 1 2/5s gallons?
Jen
Yes! Good job, Niki!
niki
THANK YOU 4 helping math isent my strong suit but it helps to be walked through it instead of just given the answer i greatly appretiate your time
ana
that did not help me
arima
en 100 platos cuantos litros de agua dentra
Log
You first need to find out how many gallons would be drank after 6 days, so you multiply 3/5 * 6 to get 18/5. Then you subtract 18/5 from the original 5 gallons so 5 - 18/5. You have to make equivalent fractions so you put the 5 over one, and multiply the numerator and denominator by the same thing so 5*5 and 1*5. This give you a new fraction of 25/5, which was the original amount of 5 gallons. Then you subtract the original amount from the amount drank after 6 days, so 25/5 - 18/5= 7/5. Then you make the improper fraction into a mixed number, divide 7 by 5 to get 2 1/5 gallons.
Anonymous
Start: 5 gallons of water
Drank: 3/5 each day for 6 days, or 3/5 x
6/1=18/5
Subtract what was drank from the 5 gallons
2 ways to do this:
IMPROPER FRACTION:
5/1 minus 18/5=25/5-18/5=7/5 or 1 2/5

MIXED FRACTION WHERE WHOLE NUMBER IS RENAMED:
5 minus 3 3/5 = 4 5/5 - 3 3/5 = 1 2/5

Started with 5 gallons, drank 3 3/5 gallons, so 1 2/5 gallons was left at the end of 6 days.
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